Time in Seoul and Boston
The time difference between Seoul and Boston, Massachusetts, is 13 hours. Boston is 13 hours behind Seoul.
This means 9am in Seoul is 8pm in Boston (previous day) and 5pm in Seoul is 4am in Boston.
Seoul
- The current local time in Seoul is 5:08 am (July 11, 2026)
- Seoul is in the Korea Standard Time Zone
- The time zone offset for Seoul, South Korea, is UTC+09:00
Boston
- The current local time in Boston is 4:08 pm (July 11, 2026)
- Boston is in the Eastern Daylight Time Zone
- The time zone offset for Boston, United States, is UTC-04:00
How to convert Seoul time to Boston time?
Subtract 13 hours from Seoul time to get Boston time.
Time in Seoul
00:00
Time in Boston
00:00
Use the slider above to convert Seoul time to Boston time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| Seoul | Boston |
|---|---|
| 12am | 11am |
| 1am | 12pm |
| 2am | 1pm |
| 3am | 2pm |
| 4am | 3pm |
| 5am | 4pm |
| 6am | 5pm |
| 7am | 6pm |
| 8am | 7pm |
| 9am | 8pm |
| 10am | 9pm |
| 11am | 10pm |
| 12pm | 11pm |
| 1pm | 12am |
| 2pm | 1am |
| 3pm | 2am |
| 4pm | 3am |
| 5pm | 4am |
| 6pm | 5am |
| 7pm | 6am |
| 8pm | 7am |
| 9pm | 8am |
| 10pm | 9am |
| 11pm | 10am |
Time difference from Seoul (UTC+09:00)
-13 hours
-16 hours
-13 hours
-1 hour
-2 hours
-1 hour
-19 hours
-16 hours
-17 hours
-16 hours